Question

Plz........ Help......... Urgent!!!!!!
Factorise 50a square+98b square+140ab
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Answer 1

Answer:

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

= 2(25a^2 + 70ab + 49b^2) => (x + y)^2 = x^2 + 2xy + y^2:

= 2(5a + 7b)^2

Step-by-step explanation:

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Answer 2

Answer:

(√ 5√2a + √ 7√2b)^2

Step-by-step explanation:

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

= 5√2a^2 + 7√2b^2 + 2*5√2a * 7√2b

= (√ 5√2a)^2 + (√ 7√2b)^2 + 2*5√2a * 7√2b

= (√ 5√2a + √ 7√2b)^2