Problem

The coordinate axes are rotated through an
angle $θ$ about the origin in $3$
sense.If the equation
$2x^{2}+3xy-6x+2y-4=0$ changes $10$
$5$ $=$ $+$ $a+b$
$ax^{2}+2hxy+by^{2}+2gx+21y+c=0$
is equal to
$1\right)$ $3cosθ-3sin$ $θ$ $2\right)$ $3cosθ+2sin$ $0$
$3\right)$ $4\right)$ $2$

10th-13th grade

Geometry

Search count: 107

Solution

Qanda teacher - ARCHANA

Student

tq

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