If x + y = 9 and xy = 14, find x2 - y2.
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Step-by-step explanation:
x + y = 9 )-------(1)
xy = 14 )----------(2)
from equation (2)
putting value of x in equation (1)
according to mid term splitting method,
we got value is y as ,
- y = 2 , 7
putting value of y = 2in equation of X,
keeping x = 7 and y = 2 in equation given in the question,
answer from values
x = 2,7
y = 7,2
can be find accordingly.
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