Find the product:9t2(t + 7t3)

1.	Find the product:9t2(t + 7t3)
Answer» 9t²(t + 7t³) Let p, q and r be three monomials. Then, by distributive law of multiplication over addition, we have: P × (q + r) = (p × q) + (p × r) Now, = (9t² × t) + (9t² × 7t³) = (9t³ + 63t⁵) … [∵ a^m × aⁿ = a^m+n]

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9t²(t + 7t³)

Let p, q and r be three monomials.

Then, by distributive law of multiplication over addition, we have:

P × (q + r) = (p × q) + (p × r)

Now,

= (9t² × t) + (9t² × 7t³)

= (9t³ + 63t⁵) … [∵ a^m × aⁿ = a^m+n]

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