C-12-Q062mediumsingle_mcq

The solution of $3x - 4y = 0,\; 2x - 3y = -1$ by cross-multiplication is —

a $(4, 3)$
b $(3, 4)$
c $(0, 1)$
d $(-1, 0)$

ব্যাখ্যা

From $3x-4y=0$ we get $x=\dfrac{4y}{3}$ ; putting this in $2x-3y=-1$ gives $-\dfrac{y}{3}=-1$ , so $y=3$ and $x=4$ . The solution is therefore $(4,3)$ .

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Simple Simultaneous Equations in Two Variables — সব প্রশ্ন দেখুন (152টি) →

The solution of $3x - 4y = 0,\; 2x - 3y = -1$ by cross-multiplication is —

(4, 3)

(3, 4)

(0, 1)

(-1, 0)

ব্যাখ্যা

From $3x-4y=0$ we get $x=\dfrac{4y}{3}$ ; putting this in $2x-3y=-1$ gives $-\dfrac{y}{3}=-1$ , so $y=3$ and $x=4$ . The solution is therefore $(4,3)$ .

The solution of 3x−4y=0, 2x−3y=−13x - 4y = 0,\; 2x - 3y = -13x−4y=0,2x−3y=−1 by cross-multiplication is —

ব্যাখ্যা

এই অধ্যায়ের আরও প্রশ্ন

The solution of 3x−4y=0, 2x−3y=−13x - 4y = 0,\; 2x - 3y = -13x−4y=0,2x−3y=−1 by cross-multiplication is —

ব্যাখ্যা

এই অধ্যায়ের আরও প্রশ্ন

The solution of $3x - 4y = 0,\; 2x - 3y = -1$ by cross-multiplication is —

The solution of $3x - 4y = 0,\; 2x - 3y = -1$ by cross-multiplication is —