if the zero of a polynomial p (x)=x2+kx-10 is 3 find k
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anuragattal7:
can I ask you one more question
yes
it is right
please check answer in ur book and pls tell me
yes its correct
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Heya
It is given that zero of the polynomial p(x)= x² + kx - 10 is 3
Which means, we have to substitute the x as 3 and then proceed to find k
Substituting x=3
3² + 3k - 10 = 0
9 + 3k = 10
3k= 10-9
3k= 1
k= 1/3
It is given that zero of the polynomial p(x)= x² + kx - 10 is 3
Which means, we have to substitute the x as 3 and then proceed to find k
Substituting x=3
3² + 3k - 10 = 0
9 + 3k = 10
3k= 10-9
3k= 1
k= 1/3
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