Find the value of a if x + ax + 2a - 2 is exactly
divisible by x + 1
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3
Answer:
If f(x) = x + ax + 2a - 2 is exactly
divisible by x + 1
then, f(-1) = 0
→ -1 -a+2a-2 =0
→ a-3=0
→ a = 3
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