Question

solve the problem question. 15​

Answer 1

for eq 1- 63,65,67.....

a=63

d=2

for eq. 2 -3,10,17

a=3

d=7

for 1st eq. an=3+n-1×7

2nd eq.an=63+n-1×2

》3+n-1×7=63+n-1×2

》7×n-1×2×n-1=63-3

》(n-1)(7-2)=60

》n-1=60/5

》n-1=12

》n=12+1

》n=13

hope this help u