Question

write first four terms of the AP when the first term and the common difference D are given as follows a=10,d=10 ​

Answer 1

Answer:

using the formula :  an = a + (n-1)d

given-

a=10

d=10

a1 = 10+ (1-1)10

   = 10 + 0x10

  = 10

a2 = 10 +( 2-1)10

     = 10+10

    =20

a3 = 10+ (3-1)10

    = 10+ 20

    = 30

a4=  10+ (4-1)10

  = 10+ 30

  = 40

the first 4 terms of A.P =  10,20,30,40........

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Answer 2

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