Question

Use identity
105×106

Answer 1

11130

I think it will help you.

Answer 2

$\huge\sf\red{105×106}$

$\implies$$\large\sf{(100+5)(100+6)}$

$\implies$$\large\sf{( {100)}^{2} + (5 + 6)(100) + (5 \times 6)}$

$\implies$$\large\sf{10000+1100+30}$

$\implies$$\large\sf{11130}$