Question

Find 194*206 using suitable identity

Answer 1

$194 \times 206$

$(200 - 6)(200 + 6)$

Using Identity

$(x - y)(x + y) = x {}^{2} - y {}^{2}$

So,

$200 {}^{2} - 6 {}^{2}$

$40000 - 36$

$39964$

Answer 2

Your Answer is 39964