Stinks are a very interesting breed of lizard that come in all shapes and sizes.
These lines, so typical of Austen’s wry tone, allow Austen to “criticize social conversation as pointless and insincere” and “reveal Lady Middleton's character as superficial and proud”. This passage shows how social conversations are not necessary as they don't provide relevant information and people just uses them to talk about insignificant details and to avoid uncomfortable silence. The author also describes the personality of Lady Middleton as being superficial and how she uses her son to start an irrelevant talk.
★ Formula Applied :




★ Explanation :

Lets use substitution method ,
Let , u = sin2x
⇒ du = 2.cos2x.dx





★ Alternate Method :




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Answer:B
am giving my answer just to help out. I hope its correct.
Explanation: