Factorise 121p² -⅑q²plz explain it step by step – InterviewSolution

1.

Factorise 121p² -⅑q²plz explain it step by step

Answer»

(7p-6q)²

STEP by step EXPLAINATION:

The EXPRESSION 121p²-1/9 q²:can be WRITTEN as:

121p²-1/9 q² =

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