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Replace ‘is’ with ‘are’. In the sentence of ‘either.. or’ type, the verb takes the form of the noun closest to it. Here ‘friends’ is plural, thus plural verb ‘are’ will be used.
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)