answer in copy please
the queation is to factorise this
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50a²+98b²+140ab
taking 2 common from all terms
2(25a²+49b²+70ab)
2[ (5a)²+(7b)²+2(5a)(7b) ]
using formula => a²+b²+2ab =(a+b)²
2(5a+7b)²
hope this helps
any confusion then message me
taking 2 common from all terms
2(25a²+49b²+70ab)
2[ (5a)²+(7b)²+2(5a)(7b) ]
using formula => a²+b²+2ab =(a+b)²
2(5a+7b)²
hope this helps
any confusion then message me
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