Math, asked by siddiquiahtisham453, 1 month ago

D8) Find an integer r such that r>5 and 5r-1 is a square number.

Answers

Answered by kanikaj0210

3

Answer:

r=10

Step-by-step explanation:

let r be 10

5r-1

5×10-1=49

which is square of 7

same r can also be 13

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