Show that the operation * on Q – {1}, defined by a * b = a + b – ab for all a, beQ- {1} satisfies (i) the closure property, (ii) the associative law, (iii) the commutative law. | (iv) What is the identity element? (v) For each a eQ- {1}, find the inverse of a.

Q: Solve for x. 7 3 32

A: The value of x is, 8  The detailed solution is as follows below:

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A: Given equation 20 = b + a

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A: To solve for m

Q: y 25 15

A:

Q: B

A: Given,  A circle with tangent BD and secant BC  We have to find the value of x.

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A:

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A:

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A: SOLUTION-

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A: Solve exactly: ex-4 = 6

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A:

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A:

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A:

Q: 6.

A:

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A:

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A: Topic- 2D Geometry

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