(i) If a = 4 then find the value of a2 + 4a -3
(i) If x = 2 and y = -2 then find the value of 7x2 - 3xy +
+5y?
(iii) If a =1, b = -2 and c = 3 then find the value of a2 + b2 + c2 + ab + bc + ca.
please solve in copy so that I can understand
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1.29 2 _8............
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