how many terms of the AP 78, 71, 64,... are needed to give the sum 468 ? also find the last term of this AP
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Answered by
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78+71+64+57+50+43+36+29+22+15+8+1-6 = 468
hence the 13 terms needed to give the sum 468
and -6 is the last term of this AP
hence the 13 terms needed to give the sum 468
and -6 is the last term of this AP
Answered by
1
Answer:
-6 is the last term of this AP
Step-by-step explanation:
78+71+64+57+50+43+36+29+22+15+8+1-6 = 468
hence the 13 terms needed to give the sum 468
and -6 is the last term of this AP
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