The equation of the plane passing through (1, | vedclass

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(B) Let the equation of the plane passing through $(1, 1, 1)$ be $a(x - 1) + b(y - 1) + c(z - 1) = 0$ $\dots (i)$.Since the plane passes through $(1,

Vedclass · Accepted Answer

$x + y - z - 1 = 0$

Vedclass · Answer

(B) Let the equation of the plane passing through $(1, 1, 1)$ be $a(x - 1) + b(y - 1) + c(z - 1) = 0$ $\dots (i)$.Since the plane passes through $(1, -1, -1)$,we have $a(1 - 1) + b(-1 - 1) + c(-1 - 1) = 0$,which simplifies to $-2b - 2c = 0$,or $b + c = 0$ $\dots (ii)$.The plane is perpendicular to $2x - y + z + 5 = 0$,so their normal vectors are perpendicular. Thus,$2a - b + c = 0$ $\dots (iii)$.From $(ii)$,we have $b = -c$. Substituting this into $(iii)$,we get $2a - (-c) + c = 0$,which simplifies to $2a + 2c = 0$,or $a = -c$.Let $c = -1$,then $a = 1$ and $b = 1$.Substituting these values into $(i)$,we get $1(x - 1) + 1(y - 1) - 1(z - 1) = 0$.$x - 1 + y - 1 - z + 1 = 0$.$x + y - z - 1 = 0$.

The equation of the plane passing through $(1, 1, 1)$ and $(1, -1, -1)$ and perpendicular to $2x - y + z + 5 = 0$ is:

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