Question

find the 11th term of h.p 1,7/9,7/11,7/13

Answer 1

Step-by-step explanation:

a= 1

d= a2-a1

d= 7/9-1

d= 7-9/9

d= -2/9

We have to find a11

a11= a+(n-1)d

a11= 1+(11-1) -2/9

a11= 1+(10) -2/9

a11= 1+ (-20/9)

a11= 1-20/9

a11= 9-20/9

a11= -11/9

OR

a11= a+ 10d

a11= 1+ 10*-2/9

a11= 1+(-20/9)

a11= 1-20/9

a11= 9-20/9

a11= -11/9

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