By what least number should 9075 be multiplied to get a perfect square
number? find the number whose square is the new number.
step by step please
Answers
Answered by
10
GivEn:
- Number = 9075
To find:
- The least number it must be multiplied to get a perfect square.
Solution:
• First let's do prime factorization of the given number.
⠀⠀━━━━━━━━━━━━━━━━━━━⠀
« Now, Finding prime factors,
• Prime factors are,
→ 9075 = 3 × 5 × 5 × 11 × 11 [ Refer attachment ]
- 5 and 11 are in pairs(2) , 3 is not in any pair.
∴ Thus, We need to multiply the number with 3 to get a perfect square.
⠀⠀━━━━━━━━━━━━━━━━━━━⠀
« Now, Finding the new number,
→ The result will be, 27225.
• The new number is,
→ √27225
→ 165
∴ Hence, The new number is 165.
Attachments:
Answered by
3
Answer:
165
Step-by-step explanation:
the prime factorization of 9075 is (5^2 × 5^2)×(3^2)×(11^2×11^2)
=5^2×3^2×11^2
=165
hence 165 is the new number
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