Advertisements
Advertisements
प्रश्न
Evaluate the following:
`9^(5/2) - 3 xx 5^0 - (1/81)^((-1)/2)`
बेरीज
उत्तर
`9^(5/2) - 3 xx 5^0 - (1/81)^((-1)/2)`
= `3^(2 xx 5/2) - 3 xx 1 - (1/81)^((-1)/2)`
= `3^5 - 3 - 9^(2 xx 1/2)`
= 243 - 3 - 9
= 231.
shaalaa.com
Solving Exponential Equations
या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
APPEARS IN
संबंधित प्रश्न
Find x, if : 42x = `1/32`
If 5-P = 4-q = 20r, show that : `1/p + 1/q + 1/r = 0`
Solve x and y if : ( √32 )x ÷ 2y + 1 = 1 and 8y - 164 - x/2 = 0
Evaluate the following:
`(4^3 xx 3^7 xx 5^6)/(5^8 xx 2^7 xx 3^3)`
Solve for x:
1 = px
Solve for x:
p3 x p-2 = px
Solve for x:
22x + 2x +2 - 4 x 23 = 0
Solve for x:
9x+4 = 32 x (27)x+1
If ax = by = cz and abc = 1, show that
`(1)/x + (1)/y + (1)/z` = 0.
Prove the following:
(xa)b-c x (xb)c-a x (xc)a-b = 1
