class 12 Math Algebra Vector Algebra

Let $a$ and $b$ be two unit vectors such that $a.b=0$ For some $x,y∈R$, let $c=xa+yb+(a×b$ If $(∣c∣=2$ and the vector $c$ is inclined at same angle $α$ to both $a$ and $b$ then the value of $8cos_{2}α$ is

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determinants

matrices

binomial theorem

complex numbers and quadratic equations

sequences and series

determinants

matrices

binomial theorem

complex numbers and quadratic equations

sequences and series

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