By what number should (-7)-¹ be multiplied so that the product becomes (-14)-¹
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The motion of a rigid body which takes place in such a way that all of its particles move in circles about an axis with a common angular velocity; also, the rotation of a particle about a fixed point in space.
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Answer:
Let the required number be x,
According to the question we can write is as x×(−6
−1
)=9
−1
On applying a
m
=(
a
m
1
) to above equation we get
⇒x×
6
−1
=
9
1
Now on simplifying we get
⇒
6
−x
=
9
1
⇒−x=
9
6
⇒−x=
9
6
⇒x=
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