If a- - 3 - - 4- and b- - 2 - - 3 - then- -a-b-a-b- is-

A⃗+b⃗ = 5î + ĵ a⃗ b⃗ = î + 7ĵ (a⃗+ b⃗)(a⃗ b⃗) = (5 î+ĵ). (î+ 7 ĵ) = 5 +7 = 12 ...

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Multiplication with Vectors

If a⃗ = 3 î +...

Question

If $\to a = 3^i + 4^j$ and $\to b = 2^i - 3^j$ then, $(\to a + \to b) . (\to a - \to b)$ is?

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Similar questions

\to a = 3^i + 4^j

\to b = 2^i - 3^j

(\to a + \to b) . (\to a - \to b)

\to A = 2^i + 3^j +^k

\to B = 3^i + 2^j + 4^k

(\to A + \to B) \times (\to A - \to B)

\to A = 3^i + 2^j

\to B = 2^i + 3^j -^k

(\to A - \to B)

\to A = 3^i - 4^j

\to B = 2^i + 16^j

\to A + \to B

If $\to a - \to b = 2 \to c$ , $\to a + \to b = 4 \to c$ and $\to c = 3^i + 4^j$ , then what are $\to a$ and $\to b$ ?

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