find the product of the following using suitable identities name the identify used (10x+11)(10x+13)
jatin8864:
(x+a) (x+b)
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Answered by
3
(10x+11)(10x+13)
identity- (x+a)(x+b)=x²+(a+b)x+ ab
(10x)²+(11+13)10x+11*13
100x²+24*10x+143
100x²+240x+143
identity- (x+a)(x+b)=x²+(a+b)x+ ab
(10x)²+(11+13)10x+11*13
100x²+24*10x+143
100x²+240x+143
Answered by
1
identity=(x+a)(x+b)=x^2+(a+b)x +ab
=100x^2 + 240x + 143
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