Question

tell me correct answer with solution........❤️❤️❤️❤️

Answer 1

hey

gd mrng

here is your answer

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S6/S1= (a1+a6)·3/a1= 36 --> (a1+a6)/a1= 12 -->  

1+ a6/a1=12 --> a6/a1=11  

S21/S1= (1+a21/a1)·21/2 = 21² --> 1+ a21/a1=42 -->  

a21/a1=41  

==> a6/a21 = (a6/a1)/(a21/a1) = 11/41 d)

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hope its help you

thanx and be brainly..........................................

Answer 2

11/41 is correct answer..