Question

Using identity and answer 194 × 206

Answer 1

see the above attachment..

Hope it's helpful mate!!

Answer 2

$\huge{\mathfrak{Answer:-}}$

194 = (200-6)

206 = (200+6)

Using the above, 194×206 can be written as:-

(200-6)×(200+6)

Here, the indentity given below will be used:-

(a-b)(a+b) = a² - b²

Using this we get

(200-6)×(200+6)

= 200² - 6²

= 40,000 - 36

= $\huge{39,964}$