Question

find the value of 16a^2+25b^2 if (4a+5b)=12 and ab =2​

Answer 1

Answer:

64

Step-by-step explanation:

==: 16a² + 25b² = (4a + 5b)² - 2*4a*5b

                         = (12)² - 2*4*5*2

                          = 144 - 80

                          = 64

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