a3+a7=6, a3×a7=8 so find value of s16
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Answered by
2
Answer:
116
Step-by-step explanation:
three a3+a7=6
a3 ×a7=8
so a3=2
a7=4
d=-1/2
s=n/2×a+(n-1) d
S16=116
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