If -2 is a zero of polynomial p(x)=x^4-(2a-3)x^2-2(a-1)x+12,then find a=? (For class 10)
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hey mate!
hope it helps.
Step-by-step explanation: p(-2)=(-2)^4-(2a-3)(-2)^2-2(a-1)(-2)+12
=16-2a-3X4-2(a-1)X(-24)
=2a+2a=16-12-48
=4a=-44
=a=-44/4
=a=-11
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