the difference of squares of two numbers is 180 the square of the smaller number is 8 times the larger number find the two numbers
Answers
Answer:
Let the larger number = x
Then the square of the smaller number = 8 times the larger number = 8x
and the square of the larger numbe r = x
According to the question,
x - 8x = 180
=> x - 8x - 180 = 0
=> x - 18x + 10x - 180 = 0
=> x(x - 18) + 10(x - 18) = 0
=> (x - 18) (x + 10) = 0
=> x - 18 = 0 or x + 10 = 0
=> x = 18 or x = -10
Thus, the larger number = 18 or -10
Then, the square of the smaller number = 8(18) or 8(-10)
= 144 or -80
The square of a number can't be negative, so, the square of smaller number = 144
Hence, the smaller number = sqrt(144) = 12
The numbers are 12 and 18
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Step-by-step explanation:
Appropriate Question:
The difference of squares of two two numbers is 180. If the square of the smaller number is 8 tumes the larger number, find the two numbers.
Given:
Difference of squares of two numbers is 180.
the smaller number is 8 times the larger number.
To Find:
Find The Two Numbers.
Answer:
Let The Smaller Number be x and, the larger number = y.
According To The Statment,
Substituting The Value Of (ii) in (i), We Get,
Now,