Find the value of k, if (2x+1) is factor of kx^3+7x^2kx - 3
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kx^3+7x^2kx -3
k(x^3+7x^3)-3
k(8x^3)-3 »»»»» 1
2x+1 is a factor given
2x+1 = 0
x= -1/2
k(8(-1/2)^3)-3 = 0
k(8(-1/8))=3
k(-1) = 3
k = -3
check the question once
any doubts comment ;))
If anything wrong, let me know.
k(x^3+7x^3)-3
k(8x^3)-3 »»»»» 1
2x+1 is a factor given
2x+1 = 0
x= -1/2
k(8(-1/2)^3)-3 = 0
k(8(-1/8))=3
k(-1) = 3
k = -3
check the question once
any doubts comment ;))
If anything wrong, let me know.
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