Surds And Indices Q10

Vishwanath

Monday, February 18, 2013

10.

1	+	1	+	1	= ?
1 + x^{(b - a)} + x^{(c - a)}		1 + x^{(a - b)} + x^{(c - b)}		1 + x^{(b - c)} + x^{(a - c)}

A.	0

B.	1

C.	x^{(a - b - c)}

D.	None of these

Answer:

Option : B

Given Exp.

	1 +	x^b	+	x^c
		x^s		x^s

	1 +	x^s	+	x^c
		x^b		x^b

	1 +	x^b	+	x^s
		x^c		x^c

=		x^s	+	x^b	+	x^c
		(x^s + x^b + x^c)		(x^s + x^b + x^c)		(x^s + x^b + x^c)

=		(x^s + x^b + x^c)
		(x^s + x^b + x^c)

= 1

Title : Surds And Indices Q10
Description : 10. 1 + 1 + 1 = ? 1 + x (b - a) + x (c - a) 1 + x (a - b) + x (c - b) 1 + x (b - c) + x (a - c) A. 0 B. 1 C. x (a - b -...
Rating : 5

Surds And Indices Q10

0 Response to "Surds And Indices Q10"

Popular Post