Math, asked by KimZ6605, 1 year ago

Three consecutive positive integers are such that the sum of the square of the first and the product od the two other is 46

Answers

Answered by soniathakur82
18

let the first be x

then the second will be x+1

and the third will be x+2

according to the question

x2 + (x+1)(x+2) = 46

x2+x2+2x+2+x=46

2x2+3x+2=46

2x2+3x=44

3x=44-2x2

3x=2(22-x2)

3x/2=22-x2

Answered by MonarkSingh
28
\huge\boxed{\texttt{\fcolorbox{Red}{aqua}{Hello Friend}}}


Here is your answer
Let the consecutive positive integer are x , x+1 , x+2.
ATQ
x {}^{2}  + (x + 1)(x + 2) = 46 \\ x {}^{2}  + (x {}^{2}  + 2x + x + 2) = 46 \\ x {}^{2}  + x {}^{2}  + 3x + 2 = 46 \\ 2x {}^{2}   + 3x + 2 - 46 = 0 \\ 2x {}^{2}  + 3x - 44 = 0 \\ 2x {}^{2}   -  8x  + 11x - 44 = 0 \\ 2x(x - 4) + 11(x - 4) = 0 \\ (x - 4)(2x + 11) = 0 \\ x  - 4 = 0 \:  \:  \: and \: 2x + 11 = 0 \\ x = 4 \:  \: and \: x =  -  \frac{11}{2}  \\ as \: x \: is \: not \: a \: negaive \: number \\ so \: x = 4 \\ hence \:  \: consecutive \:positive \: integer \: are \\ 4 \:  \: . 5\: and \: 6
Hope it helps you
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