Question
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से कौन-सा वाक्य शुद्ध है ?Solution
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संक्षिप्त विस्तृत
- If p² + q² + r² = 240 and pq – qr – rp = 64, then determine the value of (p + q – r) ².
+ If (a + b) = 7 and ab = 11, then find the value of (a² + b²).
If 2x+1, x+2, 2 and 5 are in proportion, then what is the mean proportional between 3.5(1-x) and 8(1+x)?
- If (x - y) = 5, then find the value of (x³ - y³ - 15xy).
What is the value of (a² + b²+4c²- ab-2bc-2ca) (a + b+2c):
If, 3x + 2y = 15, and 2xy = 12, and 3x > 2y, then find the value of 27x³ – 8y³.
- If x 4 + 1/x 4 = 194, x > 0, then find the value of x + 1/x + 2.
What value should come in place of question mark (?) in the following question. (You need not to calcualte the exact value)
(36.004 + 34.997)