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Question : 90 of 160
Marks:
+1,
-0
Solution:
We have
×=|| ‌=(−1)−(−1)+(1−1)‌=−+(×)×=||=(−1)=−Now,
λ+µ=λ(++)+µ(+)‌=(λ+µ)+(λ+µ)+λ‌∵‌‌λ+µ=(×)×‌⇒(λ+µ)+(λ+µ)+λ=−Equating the coefficient of
∴‌‌λ+µ=0
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