find the 23rd term of an ap whose 7th term is 24 less than the 11th term find one term being 12
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Answered by
2
Answer:
Answer
Given ,
First term =a=12
Let the common difference be d
and we know 7th term a
7
=a+6d
and 11th term a
11
=a+10d
According to question ,
a
11
−a
7
=24
a+10d−(a+6d)=24
a+10d−a−6d=24
4d=24
d=6
We know that,
20th term =a
20
=a+19d=12+19(6)=12+114=126
So , the 20th term of AP is 126.
pushplatashukla55:
20th term kaha se a gaya
Answered by
0
Answer:
2o th term of Ap is 126
Step-by-step explanation:
given
A =12
find 20 term
therefore..
according to the statement
(a+ 6d) - (a-10d) = 24
a+10d-a-6d=24
d=6
now 20 th term
a+19d
=12+19(6)
12*114
=126..
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