Advertisements
Advertisements
प्रश्न
`(-4)/3 y = - 3/4`, then y = ______.
पर्याय
`-(3/4)^2`
`-(4/3)^2`
`(3/4)^2`
`(4/3)^2`
उत्तर
`(-4)/3 y = - 3/4`, then y = `underlinebb((3/4)^2)`.
Explanation:
Given, `- 4/3 y = (-3)/4`
⇒ `y = (-3)/4 xx (-3)/4` ...[By cross-multiplication]
⇒ `y = (3/4)^2`
Hence, the value of y is `(3/4)^2`.
APPEARS IN
संबंधित प्रश्न
If x = 1, y = 2 and z = 5, find the value of x2 + y2+ z2
Identify the like terms in the following:
a2 , b2, −2a2, c2, 4a
Subtract:
x3 + 2x2y + 6xy2 − y3 from y3 − 3xy2 − 4x2y
Let
P = a2 − b2 + 2ab,
Q = a2 + 4b2 − 6ab,
R = b2 + 6, S = a2 − 4ab and
T = −2a2 + b2 − ab + a.
Find P + Q + R + S − T.
The sum of twice and four times of the variable x is __________
If the present age of Ramandeep is n years, then her age after 7 years will be ______.
The successor of an integer.
Make up as many expressions with numbers (no variables) as you can from three numbers 5, 7 and 8. Every number should be used not more than once. Use only addition, subtraction and multiplication.
(Hint: Three possible expressions are 5 + (8 − 7), 5 − (8 − 7), (5 × 8) + 7; make the other expressions.)
Identify the operations (addition, subtraction, division, multiplication) in forming the following expression and tell how the expression have been formed.
17y, `"y"/17`, 5z
Form expressions using y, 2 and 7. Every expression must have y in it. Use only two number operations. These should be different.