• Math Doubts
• Algebra
• identities
• Cube of sum

Formula

$(1) \,\,\,$ ${(a+b)}^3$ $\,=\,$ $a^3+b^3+3ab(a+b)$

$(2) \,\,\,$ ${(x+y)}^3$ $\,=\,$ $x^3+y^3+3xy(x+y)$

${(a+b)}^3$ $\,=\,$ $a^3+b^3+3ab(a+b)$

${(x+y)}^3$ $\,=\,$ $x^3+y^3+3xy(x+y)$

Ashok Kumar, B.E.

Founder of Math Doubts

A Specialist in Mathematics, Physics, and Engineering with 14 years of experience helping students master complex concepts from basics to advanced levels with clarity and precision.

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