Question

factorise 50*a square + 98* b square + 140 ab
give this ans for brainlist ans ​

Answer 1

Answer:

Step-by-step explanation:

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

(5√2 x a)^2 +(7√2 x b)^2 + (2 x 5√2 a x 7√2 b)

this is in the form of (a+b)^2 = a^2 + b^2 + 2ab

so this can be written as

(5√2 a +7√2 b)²