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if a x + B Y is equal to a square minus b square and b x + A Y is equal to zero find the value of x + Y
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if a x + B Y is equal to a square minus b square and b x + A Y is equal to zero find the value of x + Y
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Mathematics
3 years
2021-08-09T16:06:36+00:00
2021-08-09T16:06:36+00:00 1 Answers
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Answer:
a-b
Step-by-step explanation:
Add the two equations together:
(ax +by) +(bx +ay) = (a² -b²) +(0)
x(a +b) +y(a +b) = (a +b)(a -b)
x + y = a – b . . . . . divide by (a+b), assuming a+b ≠ 0