Question

using suitable identities , Evaluate 103×104​

Answer 1

103×104

(100+3)(100+4)

Identity :-

$(x + a)(x + b)$

$(x ) ^{2} + (a + b)x + a \times b$

$(100) ^{2} + (3 + 4)100 + 3 \times 4$

10000+700+12

10712

Answer 2

Answer:10712

Step-by-step explanation:using identity 4 (x+a) (x+b) =x^2+(a+b)x+ab

(100+3)(100+4)=100^2+(3+4)100+(3×7)

10000+700+12

10712