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Question : 32 of 160
Marks:
+1,
-0
Solution:
From the given data
AB×C=|| =(2−2α)−(9−3α−8+8α)+(−3+α) =(2−2α)+(5α−1)+(α−3) Compare above with
6+9−5 then
2−2α=6,5α−1=9 and α−3=−5 2α=−4 α=−2 Thus,
α2+α+5=(−2)2−2+5 =7
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