Question

4

Use the identily (h+a) (h+b) = h²+(a+b)h+
ab to find product. 501 X502​

Answer 1

Answer:

251,502

Step-by-step explanation: (500+1) (500+2)

h=500

a=1

b=2

(h+a) (h+b) = h^2 +(a+b)h +ab

=>( 500)^2 + (1+2)500 + 1 x 2

=> 250000+1500+2

=>251502

you can check this answer by multiplying the numbers directly

501 x 502 =251502