by using a suitable identity evaluate the following 104 × 95
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Answered by
4
identity we use here :
- (x+a)(x-b)=x^2+(a+b)x+ab
104×95
(100+4)(100-5)
(100)^2+[4+(-5)]100 + (4)(-5)
10000-100-20
10000-80
=9920Ans....
Answered by
0
Answer:
9920
Step-by-step explanation:
(100+4) (100-5)
100^2 + [4+(-5)] × 100+4×-5
10,000 -100-20
10,000-80
9920
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