The coefficient of x in the expansion of (x + 3)³ is

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MCQ (Single)Algebraic Identity for Cube of Binomial SumNCERT Exemplar

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If x³ + 1/x³ = 110, then find x + 1/x.

TextAlgebraic Identity for Cube of Binomial SumStandard Form of Linear Equation in Two Variables

If the length of a rectangle is decreased by 3 units and breadth increased by 4 units, then the area will increase by 9 sq. units. Represent this situation as a linear equation in two variables.

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Algebraic Identity for Cube of Binomial Sum

Standard Form of Linear Equation in Two Variables

Write the following cubes in the expanded form:

CASE_STUDIESAlgebraic Identity for Cube of Binomial SumAlgebraic Identity for Cube of Binomial Difference

Evaluate each of the following using suitable identities:

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Factorise 8x³ + 27y³ + 36x²y + 54xy²

TextAlgebraic Identity for Cube of Binomial Sum

Write the following cubes in expanded form:

CASE_STUDIESAlgebraic Identity for Cube of Binomial SumAlgebraic Identity for Cube of Binomial Difference