Q11. Which term of the A.P.: 3, 15, 27, 39,...will be 132 more than its 54th term?
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Q11. Which term of the A.P.: 3, 15, 27, 39,...will be 132 more than its 54th term?
Please not use guide
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Answer:
132 is not a term of AP
3;15;27;39
Step-by-step explanation:
an=a+(n-1) d d=15-3=12
132=3+(n-1) 12 n=no.of term
132=3+(12n)-12 a=3
132=-9+12n
132+9=12n
141=12n
141/12=n
11.75
So it is not a term of AP
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