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DIA [1.3K]
2 years ago
6

If ab=5 and a*a+b*b=25,then (a+b)(a+b)=?​

Mathematics
1 answer:
rosijanka [135]2 years ago
7 0

Answer:

(a + b) (a + b) = 35

Step-by-step explanation:

{(a + b)}^{2}  =  {a}^{2}  +  {b}^{2} + 2ab \\  \\ (a + b)  (a + b)  = a \ast a + b \ast b + 2ab \\  \\  = 25 + 2 \times 5 \\  \\ 25 + 10 \\  \\  (a + b)  (a + b)  = 35

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