3N 362
Solve the following subquestions :
Find second and third term of an AP. whese first termis-2
and common difference is - 2
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2
Answer:
Given first term (a)=−2
Common difference (d)=−2
T
n
=a+(n−1)d
T
2
=a+(2−1)d
=a+d
=−2−2
=−4
T
3
=a+(3−1)d
=a+2d
=−2+2(−2)
=−2+(−4)
=−6
∴T
2
=−4,T
3
=−6..
hope this will help uh!!
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