7. Find d of an A.P. whose first two terms are -3 and 4.
A
(A) 7
(B) 4
(C) -7
(D) -3
Answers
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2
Answer:
A
Step-by-step explanation:
given
a=-3
a+d=4
substitute a in equation 2
-3+d=4
d=7
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