Question

4. Write the discriminant of the following equation
a) [3x+1]² + [X-2]²=50​

Answer 1

Answer:

[3x+1]^2 + [ x-2 ]^2 = 50

=> 3x^2 +1+6x + x^2+4-4x = 50

=> 4x^2 +2x+5 = 50

=> 4x^2+2x-45 = 0

=> D = b^2-2ac

= 4-2*4*-45

= 4+270

= 274..

hope it helps.....

Answer 2

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