Question

Q.31 Evaluate the following
products without multiplying
directly: (a) 103x107 ​

Answer 1

Answer:

11021

Step-by-step explanation:

(100+3)(100+7)

by using id = (x+a)(x+b)=x^2+ab+x(a+b)

so, 100^2+3*7+100(3+7)

10000+21+1000=11021ans

Answer 2

Answer:

$a \: 103 \times 107(100 - 3) \: \: \: \: \: \: \: \: \: \: \: \: \: \: \\ = 103 - 3 \\ = 100 \times 107 \: \: \: \: \: \: \: \: \: \: \: \: \: \\ = 10700 \: \: (answer)$

$hope \: it \: helps \: you$