Math, asked by abvhi1234, 1 year ago

x-y=12 and xy=25/4find x+y

Answers

Answered by Ajay11111
1
we have given that
x-y=12 and xy=25/4 

we have to find 
x+y =?

solution:-
we know that 
(x+y)² = (x-y)²+4xy

here 
(x+y)² = 12² + 4×25/4 
=> 144 +25 = 169 

=> x+y = √169 = 13 answer 

⭐⭐ hope it helps ⭐⭐
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