Find the smallest number by which 490 be divided to make it a perfect square
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QUESTION ---- Find the smallest number by which 490 be divided to make it a perfect square
ANSWER ------
Prime Factorisation of 490
7 × 7 × 2 × 5 = 490
Forming pairs of two
(7×7) × 2 × 5 = 490
SINCE 2 × 5 DOES NOT FORM A PAIR OF TWO IT SHOULD BE DIVIDED FROM 490 TO GET A PERFECT SQUARE
Smallest Number by which 490 should be divided to make a perfect square = 2 × 5 = 10
>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
ANSWER = 10
>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
ANSWER ------
Prime Factorisation of 490
7 × 7 × 2 × 5 = 490
Forming pairs of two
(7×7) × 2 × 5 = 490
SINCE 2 × 5 DOES NOT FORM A PAIR OF TWO IT SHOULD BE DIVIDED FROM 490 TO GET A PERFECT SQUARE
Smallest Number by which 490 should be divided to make a perfect square = 2 × 5 = 10
>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
ANSWER = 10
>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
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