It is given that a+b=6 and ab=7. Find the value of a^2 + b^2.
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To solve this problem we must know that when any two lines intersect , a pair of opposite angles from the figure Will be equal
so that means that
we can subtract twenty from each side
now we can subtract like terms
so we can get the final answer as
so that means that
we can subtract twenty from each side
now we can subtract like terms
so we can get the final answer as