NCERT Solutions for Class 12 Maths Chapter 7 – Integrals Ex 7.7
Page No 330:
Question 1:
![](https://img-nm.mnimgs.com/img/study_content/curr/1/12/15/236/7716/NCERT_Solution_Math_Chapter_7_final_html_m1170ca09.gif)
Answer:
![](https://img-nm.mnimgs.com/img/study_content/editlive_ncert/33/2013_06_26_14_13_39/NCERT_Solution_Math_Chapter_7_final_html_55b76281_1748512521494652501.png)
![](https://img-nm.mnimgs.com/img/study_content/editlive_ncert/33/2013_06_26_14_13_39/NCERT_Solution_Math_Chapter_7_final_html_55b76281_4482949128659630918.png)
![](https://img-nm.mnimgs.com/img/study_content/editlive_ncert/33/2013_06_26_14_13_39/NCERT_Solution_Math_Chapter_7_final_html_55b76281_6819830928611292475.png)
![](https://img-nm.mnimgs.com/img/study_content/editlive_ncert/33/2013_06_26_14_13_39/NCERT_Solution_Math_Chapter_7_final_html_55b76281_5766645889198152699.png)
![](https://img-nm.mnimgs.com/img/study_content/editlive_ncert/33/2013_06_26_14_13_39/NCERT_Solution_Math_Chapter_7_final_html_55b76281_2274410893609283042.png)
Question 2:
![](https://img-nm.mnimgs.com/img/study_content/curr/1/12/15/236/7719/NCERT_Solution_Math_Chapter_7_final_html_m524978b7.gif)
Answer:
![](https://img-nm.mnimgs.com/img/study_content/curr/1/12/15/236/7719/NCERT_Solution_Math_Chapter_7_final_html_m25d68940.gif)
Question 3:
![](https://img-nm.mnimgs.com/img/study_content/curr/1/12/15/236/7721/NCERT_Solution_Math_Chapter_7_final_html_1078b016.gif)
Answer:
![](https://img-nm.mnimgs.com/img/study_content/curr/1/12/15/236/7721/NCERT_Solution_Math_Chapter_7_final_html_12ee79a6.gif)
![](https://img-nm.mnimgs.com/img/study_content/curr/1/12/15/236/7721/NCERT_Solution_Math_Chapter_7_final_html_3dc605c1.gif)
Question 4:
![](https://img-nm.mnimgs.com/img/study_content/curr/1/12/15/236/7722/NCERT_Solution_Math_Chapter_7_final_html_m2833efcd.gif)
Answer:
![](https://img-nm.mnimgs.com/img/study_content/curr/1/12/15/236/7722/NCERT_Solution_Math_Chapter_7_final_html_6c3bdbca.gif)
![](https://img-nm.mnimgs.com/img/study_content/curr/1/12/15/236/7722/NCERT_Solution_Math_Chapter_7_final_html_m5cf48318.gif)
Question 5:
![](https://img-nm.mnimgs.com/img/study_content/curr/1/12/15/236/7724/NCERT_Solution_Math_Chapter_7_final_html_4046b156.gif)
Answer:
![](https://img-nm.mnimgs.com/img/study_content/curr/1/12/15/236/7724/NCERT_Solution_Math_Chapter_7_final_html_3fe6d1f5.gif)
![](https://img-nm.mnimgs.com/img/study_content/curr/1/12/15/236/7724/NCERT_Solution_Math_Chapter_7_final_html_49e1f051.gif)
Question 6:
![](https://img-nm.mnimgs.com/img/study_content/curr/1/12/15/236/7725/NCERT_Solution_Math_Chapter_7_final_html_m54dece65.gif)
Answer:
![](https://img-nm.mnimgs.com/img/study_content/curr/1/12/15/236/7725/NCERT_Solution_Math_Chapter_7_final_html_7cc40572.gif)
![](https://img-nm.mnimgs.com/img/study_content/curr/1/12/15/236/7725/NCERT_Solution_Math_Chapter_7_final_html_482a9a24.gif)
Question 7:
![](https://img-nm.mnimgs.com/img/study_content/curr/1/12/15/236/7727/NCERT_Solution_Math_Chapter_7_final_html_m29dd6f5d.gif)
Answer:
![](https://img-nm.mnimgs.com/img/study_content/curr/1/12/15/236/7727/NCERT_Solution_Math_Chapter_7_final_html_m2460c660.gif)
![](https://img-nm.mnimgs.com/img/study_content/curr/1/12/15/236/7727/NCERT_Solution_Math_Chapter_7_final_html_m5fffe454.gif)
Question 8:
![](https://img-nm.mnimgs.com/img/study_content/curr/1/12/15/236/7729/NCERT_Solution_Math_Chapter_7_final_html_m19083a3b.gif)
Answer:
![](https://img-nm.mnimgs.com/img/study_content/curr/1/12/15/236/7729/NCERT_Solution_Math_Chapter_7_final_html_m3e6f3b43.gif)
![](https://img-nm.mnimgs.com/img/study_content/curr/1/12/15/236/7729/NCERT_Solution_Math_Chapter_7_final_html_m16dfab03.gif)
Question 9:
![](https://img-nm.mnimgs.com/img/study_content/curr/1/12/15/236/7731/NCERT_Solution_Math_Chapter_7_final_html_191c58cb.gif)
Answer:
![](https://img-nm.mnimgs.com/img/study_content/curr/1/12/15/236/7731/NCERT_Solution_Math_Chapter_7_final_html_m3f7229fc.gif)
![](https://img-nm.mnimgs.com/img/study_content/curr/1/12/15/236/7731/NCERT_Solution_Math_Chapter_7_final_html_m5f522660.gif)
Question 10:
![](https://img-nm.mnimgs.com/img/study_content/curr/1/12/15/236/7732/NCERT_Solution_Math_Chapter_7_final_html_m2084ce35.gif)
A. ![](https://img-nm.mnimgs.com/img/study_content/curr/1/12/15/236/7732/NCERT_Solution_Math_Chapter_7_final_html_5a0c07db.gif)
![](https://img-nm.mnimgs.com/img/study_content/curr/1/12/15/236/7732/NCERT_Solution_Math_Chapter_7_final_html_5a0c07db.gif)
B. ![](https://img-nm.mnimgs.com/img/study_content/curr/1/12/15/236/7732/NCERT_Solution_Math_Chapter_7_final_html_m6e98d1af.gif)
![](https://img-nm.mnimgs.com/img/study_content/curr/1/12/15/236/7732/NCERT_Solution_Math_Chapter_7_final_html_m6e98d1af.gif)
C. ![](https://img-nm.mnimgs.com/img/study_content/curr/1/12/15/236/7732/NCERT_Solution_Math_Chapter_7_final_html_13a151e1.gif)
![](https://img-nm.mnimgs.com/img/study_content/curr/1/12/15/236/7732/NCERT_Solution_Math_Chapter_7_final_html_13a151e1.gif)
D. ![](https://img-nm.mnimgs.com/img/study_content/curr/1/12/15/236/7732/NCERT_Solution_Math_Chapter_7_final_html_m1b5829fa.gif)
![](https://img-nm.mnimgs.com/img/study_content/curr/1/12/15/236/7732/NCERT_Solution_Math_Chapter_7_final_html_m1b5829fa.gif)
Answer:
![](https://img-nm.mnimgs.com/img/study_content/curr/1/12/15/236/7732/NCERT_Solution_Math_Chapter_7_final_html_m6520b32b.gif)
Hence, the correct answer is A.
Question 11:
![](https://img-nm.mnimgs.com/img/study_content/curr/1/12/15/236/7733/NCERT_Solution_Math_Chapter_7_final_html_46a7159.gif)
A. ![](https://img-nm.mnimgs.com/img/study_content/curr/1/12/15/236/7733/NCERT_Solution_Math_Chapter_7_final_html_c3c6579.gif)
![](https://img-nm.mnimgs.com/img/study_content/curr/1/12/15/236/7733/NCERT_Solution_Math_Chapter_7_final_html_c3c6579.gif)
B. ![](https://img-nm.mnimgs.com/img/study_content/curr/1/12/15/236/7733/NCERT_Solution_Math_Chapter_7_final_html_339b6d36.gif)
![](https://img-nm.mnimgs.com/img/study_content/curr/1/12/15/236/7733/NCERT_Solution_Math_Chapter_7_final_html_339b6d36.gif)
C. ![](https://img-nm.mnimgs.com/img/study_content/curr/1/12/15/236/7733/NCERT_Solution_Math_Chapter_7_final_html_bdf668c.gif)
![](https://img-nm.mnimgs.com/img/study_content/curr/1/12/15/236/7733/NCERT_Solution_Math_Chapter_7_final_html_bdf668c.gif)
D. ![](https://img-nm.mnimgs.com/img/study_content/curr/1/12/15/236/7733/NCERT_Solution_Math_Chapter_7_final_html_m60a8ae6c.gif)
![](https://img-nm.mnimgs.com/img/study_content/curr/1/12/15/236/7733/NCERT_Solution_Math_Chapter_7_final_html_m60a8ae6c.gif)
Answer:
![](https://img-nm.mnimgs.com/img/study_content/curr/1/12/15/236/7733/NCERT_Solution_Math_Chapter_7_final_html_56279587.gif)
![](https://img-nm.mnimgs.com/img/study_content/curr/1/12/15/236/7733/NCERT_Solution_Math_Chapter_7_final_html_m32d28a69.gif)
Hence, the correct answer is D.