Question

solve with the help of identity 103into 104​

Answer 1

Answer:

103 × 104 = (100+3)(100+4)

$= 100 {}^{2} + (3 + 4)100 + (3 \times 4) \\ = 10000 + 700 + 12 \\ = 10712$

Identity used :

$x {}^{2} + (a + b)x + ab = (x + a)(x + b)$

hope it helps you!