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GIVEN :-
TO FIND :-
SOLUTION :-
⇒ 1/√144 = x/7.
⇒ 1/12 = x/7. [ ∵ √144 = 12 ]
By cross multiplication,
⇒ 12 × x = 7 × 1
⇒ 12x = 7
⇒ x = 7/12
Hence the value of x is 7/12.
ADDITIONAL INFORMATION :-
➵ A number ending with an odd number of zeros (one zero, 3 zeroes and so on) is never a perfect square.
Example :- 150, 25000 are not perfect squares.
➵ Squares of even numbers are always even.
Example :- 8² = 64 , 12² = 144.
➵ Squares of odd numbers are always odd.
Example :- 7² = 49 , 13² = 169.
➵ The numbers ending with 2,3,7,8 are not perfect square.
Example :- 32, 243, 37 are not perfect squares .
➵ The square of a number other than 0 and 1 is either a multiple of 3 or exceeds the multiple of 3 by 1 .
Example of multiples of 3 :- 3² = 9 , 12² = 144.
Example of multiples of 3 exceeds by 1 :- 4² = 16 = (15 + 1)
Verified answer
Answer:
1/27
Step-by-step explanation:
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