Math, asked by ava71, 1 year ago

by using a suitable identity ,evaluate the giver number.
a. 104× 95
....answer of this question is 9880
but I don't know how the answer came so please solve this......(>_<)

Answers

Answered by purvpurohit56
2

Answer:

9880

Step-by-step explanation:

As we know,

(x+a)(x+b)

=x^2 + (a+b)x + ab

Now,

104 x 95

= (100+4)(100-5)

=(100)^2 +(4-5)100+(4)(-5)

= 10000 - 100 - 20

= 10000 - 120

= 9880

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