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Metalloids, such as boron, silicon, and arsenic, exhibit properties that are intermediate between metals and non-metals. For example:
If x3 + y3 = 9 and x + y=3 then the value of x4 + y4 is:
If for non-zero x, x² - 4x - 1 = 0, what is the value of x² + 1/x²?
Find the value of the given expression-
(4x+4 -5× 4x+2) / 15×4x – 22×4x
If 10x2 – 6xy+y² – 4x+4= 0, then find the value of (3x+2y).
A train can cross a pole, a bridge of 720 meter long and platform of 640 meter long in 9 seconds, _____ seconds and 25 seconds, respectively.
The...
If p = 50 - q - r and pq + r(q + p) = 816 then find the value of (p2 + q2 + r2) .
In a club of singers and dancers, 10% of the artists are absent on a particular day and 90% of the present artists are dancers. If 2,250 singers are pr...
A boat covers 540 km upstream and downstream in 't' time. If the speed of the stream is 8 km/h and the speed of the boat is 10 km/h then find the value ...
What is the square root of the following?
(x² –12x+36) (x² + 8x + 16)
