Question

If 4th and 8th term of an AP are 11 and 23 respectively,then common difference is *​

Answer 1

Answer:

T4= a+(n-1)d

11= a+ (4-1)d

11= a+ 3d...............1

Similarly,

T8= a+(n-1)d

23= a+(8-1)d

23 =a+7d.............2

from eq 1&2,

we get,

23=a+7d

11= a+3d

_________

12 =4d

________

12/4 = d

3 = d

Ans

Step-by-step explanation:

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