Question

class 8 chapter algebraic expressions and identities questions (0.9p -0.5q)2

Answer 1

Answer:

0.81p^2+0.25q^2-0.90pq

Step-by-step explanation:

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Answer 2

(0.9p)²+(0.5q)²-2×0.9p×0.5q

0.81p²-0.25q²-0.9pq ans_