Product of two rational no. is 1 , if one of them is ⁵/²

, then the other no. is​

-3/2 is the answers for the question

Step-by-step explanation:

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answer:

a(n) - a(n-1) -3

discussion:

this ones a bit interesting. given a(n) = 5 - 3n consider this:

a(n-1) = 5 - 3(n-1)

          = (5 - 3n) + 3             => but a(n) = 5 - 3n, the first term

          = a(n)   + 3                 => subtract 3 from both sides

a(n-1) -3 = a(n)  

or

a(n) - a(n-1) -3

you,

mrb

for b its (t) and c its (d)

step-by-step explanation: