If so denotes The sum of first n term's of an A.P WHAT Will be the value of s2 -s1
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Answer:
T2
Step-by-step explanation:
Sn = sum of 1st n terms of AP
S1 = sum of 1st term = 1st term = a
S2 = sum of 1st 2 terms = T1 + T2
= a + ( a + d ) = 2a + d
So, S2 - S1
=> 2a + d - a
=> a + d
=> T2
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