Question

the value of the product (4a^2 +3b) (4a^2 +3b) at a=1 and b=2 is 100
true or false (ans. is given true but how ???)
its am IMO class 8 question
correct answer will get thanks
wrong will get reported

Answer 1

Answer:

Step-by-step explanation:

(4a^2+3b) (4a^2+3b)

(4a^2)^2+(3b)^2+2*4a^2*3b

16+36+2*4*6

16+36+4

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