Question

Find the 11

th

term of an AP -5 , -5/2, 0, 5/2...............​

Answer 1

Answer:

Answer is 20

Step-by-step explanation:

here,

n = 11

a = (-5)

d = (-5)/2 - (-5)

= 5/2

so, an = a+(n-1)×d

so,an= (-5) + (11-1)×5/2

= (-5)+10×5/2

= -5+25

= 20

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