If a + b = 17 & 4ab = 216 then the value of a^2 + b^2 is
A. 181
B. –181
C. 811
D. NOTA
Answers
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Step-by-step explanation:
a+b=17
4ab=216
a=216/4b
a=54/b
now put value of a in equation 1
a+b=17
54/b+b=17
54+b^2=17b
b^2-17b+54=0
b=17/2+1/2√73
because the value of b is negative and positive so i Will take positive value to put and find value of X
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