Question

answer this question ​

Answer 1

$\Large{\underline{\underline{\bf{Solution :}}}}$

As, it is given that,

→9 + 2 = 711

Subtract 2 from 9 you get first term. Then, add both the term you got your answer.

→(9 - 2)(9 + 2) = 71

→711 = 711

$\rule{200}{1}$

Similary,

→14 + 6 = 820

→(14 - 6)(14 + 6) = 820

→820 = 820

$\rule{200}{2}$

→17 + 11 = 628

→(17 - 11)(17 + 11) = 628

→628 = 628

$\rule{200}{1}$

→12 + 3 = ?

→(12 - 3)(12 + 5) = ?

→917 = ?