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1.(a+5b) power 3
Answers
Answered by
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Step-by-step explanation:
(a+5b)^३
a^3+125b^३+३*a*5b(a+5b)
a3 +125b3+15ab(a+5b)
(a3 +125b3)+15a2b+75ab2
{a3+(5b)3}+15a2b+75ab2
(a+5b)(a2+25b2-5ab)+15à2b+75ab2
(a+5b)(a2+25b2-5ab)+15ab(a+5b)
Answered by
0
Answer:
a^3 + 3a^2(5b) + 3a(5b)^2 +(5b)^3
a^3 + 15a^2b + 3a(25b^2) +125b^3
a^3 + 15a^2b + 75ab^2 +125b^3
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