Question

Factorise : 50 a^2 + 98 b ^2 + 140 ab
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Answer 1

Answer:

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(50α+98b) ²

Answer 2

Answer:

(5√2a+7√2b)^2

Step-by-step explanation:

50a^2+98b^2+140ab

(25×2)a^2+(49×2)b^2+(2×70)ab

(5√2a)^2+(7√2b)^2+2×5×7×√2×√2×ab

it is in form of (a+b)^2

so,(5√2a+7√2b)^2