MATHEMATICS PROBLEM SOLVER

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Monday, 10 July 2017

ARITH. PROGRESSION 2

The 1st term of an A.P. is 11 and the common difference is 24. Find the 10th term.

Solution

Given: A₁= 11, d = 24.

A_n = A₁ + (n-1)d

A₁₀ = A₁ + (10-1)d

A₁₀ = A₁ + 9d

A₁₀ = 11 + (9x24)

A₁₀ = 11 + 216

A₁₀ = 227

Hence the 10th term is 227

TRY THIS...............................

The 1st term of an A.P. is 10 and the common difference is 22. Find the 14th term.

MATHEMATICS PROBLEM SOLVER

Monday, 10 July 2017

ARITH. PROGRESSION 2

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