For an AP . If S51 =7650 ,find the 26th term.
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Solution:-
S₅₁ = 7650 (Given)
Sn = n/2{2a + (n - 1)d}
S₅₁ = 51/2{2a + (51 - 1)d}
7650 = 51/2{2a + 50d}
7650 = (51 × 2)/2{a + 25d}
7650/51 = a + 25d
a + 25d = 150
So, 26th term is 150
Answer.
S₅₁ = 7650 (Given)
Sn = n/2{2a + (n - 1)d}
S₅₁ = 51/2{2a + (51 - 1)d}
7650 = 51/2{2a + 50d}
7650 = (51 × 2)/2{a + 25d}
7650/51 = a + 25d
a + 25d = 150
So, 26th term is 150
Answer.
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