Question

If [-2 5 3 2]=[x 5 3 y],then principal value of cos -1(y/2x) is :​

Answer 1

Answer:

p(0) = 11x + 15y + 23

and

p(0) = 7x - 2y - 20

Therefore

11x + 15y + 23 = 7x - 2y - 20

11x - 7x + 15y + 2y = (-20) - 23

4x + 17y = (-43)

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Step-by-step explanation:

Answer 2

Answer:

answer is in attachment