Question

The first third and fourth term of a
propostion are, 6, 42 and 49 respectively
find the second term.​

Answer 1

Answer:

a2=a+(n-1)d

=a+(2-1)7

=a+7

a=6

6+7

13

Answer 2

Answer:

7 is the 2nd term

Step-by-step explanation:

let the no =x

ATQ ,

6:x::42:49

42x=49X6

x=49X6/42

x=7

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