Mathematics L-5 Formula and Their Applications
please guys say me the answers
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Answer:
(x+a)²
=x²+2xa+a²
(7x+3y)²
=(7x)²+2×7x×3y+(3y)²
=49x²+42xy+9y²
(3p+2q)²
=(3p)²+2×3p×2q+(2q)²
=9p²+12pq++4q²
(ax+by)²
(ax)²+2×ax×by+(by)²
=a²x²+axby+b²y²
(2p-3q)²
=(2p)²-2×2p×3q+(3q)²
=4p²-12pq+9q²
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