Question

solve question. 2 fast ​

Answer 1

Firsy question answe-1/2

And second one is 5/8

Answer 2

Answer:

65/12

Step-by-step explanation:

the sum of n terms of an APis given by Sn = n/2[ 2a+(n-1)d]

in this ap

a = 1/6

d = 1/4 - 1/6 = 1/12

n=10

now sum of ten terms  = 10/2 [ 2*1/6 + (10-1) * 1/12]

= 5[ 1/3 + 9 * 1/12 ]

= 5[ 1/3 +3/4]

= 5[13/12]

= 65/12

hope this helps

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