Mathematics
Factorise by grouping method :
a2 + b - ab - a
Factorisation
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Answer
Given,
a2 + b - ab - a
= a2 - ab - a + b
= a(a - b) - 1(a - b)
= (a - 1)(a - b).
Hence, a2 + b - ab - a = (a - 1)(a - b).
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Factorise by grouping method :
a2 + b - ab - a
6 Likes
Given,
a2 + b - ab - a
= a2 - ab - a + b
= a(a - b) - 1(a - b)
= (a - 1)(a - b).
Hence, a2 + b - ab - a = (a - 1)(a - b).
Answered By
3 Likes