1 + 1 + 1 =? 1 + x(b - a) + x(c - a) 1 + x(a - b) + x(c - b) 1 + x(b - c) + x(a

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Question
1 + 1 + 1 =?

1 + x^{(b - a)} + x^{(c - a)} 1 + x^{(a - b)} + x^{(c - b)} 1 + x^{(b - c)} + x^{(a - c)}
Options
A. 0
B. 1
C. x^{a - b - c}
D. None of these

Correct Answer

1

Explanation

Given Exp. =

1

+

1

+

1

❨	1 +	x^b	+	x^c	❩
		x^a		x^a

❨	1 +	x^a	+	x^c	❩
		x^b		x^b

❨	1 +	x^b	+	x^a	❩
		x^c		x^c

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

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

= 1.

More questions

2.
The probability of getting a composite number when a six-faced unbiased die is tossed, is
Options
A. 1/4
B. 1/3
C. 1/2
D. 1

3.
Ajay takes some loan from Rashmi at the rate of 5% per annum andd after 2 yr, Ajay gave back ? 8800 to Rashmi and this way paid his whole loan. Find the interest by Ajay.
Options
A. ? 825
B. ? 975
C. ? 800
D. ? 850

6.
If the cost of 1/4 th of kg is Rs. 0�60, then what is the cost of 200 gm ?
Options
A. 42 paise
B. 48 paise
C. 40 paise
D. 50 paise

8.
One side of a rectangular field is 4 meter and its diagonal is 5 meter. The area of the field is?
Options
A. 12 m2
B. 15 m2
C. 20 m 2
D. 4?5 m2

10.
If in a hostel 45 days, food is available food is available for 50 students, for how many days will this food be sufficient for 75 students?
Options
A. 25 days
B. 28 days
C. 30 days
D. 40 days

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