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Farhan Khan asked in Math

Please solve my problems

Thank You
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Navdeep Yadav answered this

(20)- 85
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Vishal Kamboj answered this

Dear Student
Q 12
Below is the answer of Q 12
first find the prime factors of 10224 to check the prefect square
 

10224 ÷ 2 = 5112

5112÷2 = 2556

2556÷2 = 1278

1278÷2 = 639

639 ÷ 3 = 213

213 ÷ 3 = 71

Thus the prime factors are 2×2×2×2×3×3×71
for perfect square we have (2×2) ×(2×2) ×(3×3) ×(71×71)   here 71 is missing so if multiply with 71 to a 
number we find perfect square of 10224

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