$\begin{vmatrix} b+c & a & a \\ b & c+a & b \\ c & c & a+b \end{vmatrix}$ નું મૂલ્ય શોધો.

  • A
    $abc$
  • B
    $(a+b)(b+c)(c+a)$
  • C
    $4abc$
  • D
    $(a-b)(b-c)(c-a)$

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Similar Questions

$\left|\begin{array}{ccc}a & b & c \\ a-b & b-c & c-a \\ b+c & c+a & a+b\end{array}\right|=$ નું મૂલ્ય શું છે?

ધારો કે $x, y, z > 0$ એ $G.P.$ ના અનુક્રમે $2^{nd}, 3^{rd}, 4^{th}$ પદો છે,અને $\Delta = \begin{vmatrix} x^k & x^{k+1} & x^{k+2} \\ y^k & y^{k+1} & y^{k+2} \\ z^k & z^{k+1} & z^{k+2} \end{vmatrix} = (r-1)^2 \left(1 - \frac{1}{r^2}\right)$,જ્યાં $r$ એ સામાન્ય ગુણોત્તર છે. તો $k = \dots$

જો બિંદુઓ $(5, 5)$,$(10, k)$ અને $(-5, 1)$ સમરેખ હોય,તો $k =$

જો $\left|\begin{array}{ccc}0 & ab^2 & ac^2 \\ a^2b & 0 & bc^2 \\ a^2c & b^2c & 0\end{array}\right|=m(abc)^k$ હોય,તો $m+k=$ . . . . . . .

જો $\left|\begin{array}{ccc}1+x & 1 & 1 \\ 1+y & 1+2 y & 1 \\ 1+z & 1+z & 1+3 z\end{array}\right| = 10 k x y z \left(3+\frac{1}{x}+\frac{1}{y}+\frac{1}{z}\right)$ હોય,તો $k = \text{ . . . . . . }$ (જ્યાં $x, y, z \neq 0$ અને $3+\frac{1}{x}+\frac{1}{y}+\frac{1}{z} \neq 0$).

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