Question
हिंदी देश की
राष्ट्रभाषा है, लेकिन शासकीय प्रयोजनों के लिए अंग्रेजी भाषा को प्रयोग को कब तक करने की अनुमति प्रदान की गई है ?Solution
अनिश्चित काल के लिए
if 2x +3y =7 and 2x+2 -3y+2 =7, then find the value of x and y.
If (a + b)2 = 18 + c2, (b + c)2 = 22 + a2 and (c + a)2 = 24 + b2, then find the va...
- Suppose [a + (1/16a)] = 3, then the value of [16a³ + (1/256a³)] is:
If (a + b + c) = 18 and (ab + bc + ca) = 100, then find the value of (a² + b² + c²).
Given that (3a + 7b = 54) and (ab = 24), determine the value of (9a2 + 49b2).

Which of the following statements is correct?
I. If x = 12, y = –2 and z = –10, then x³ + y³
+ z³ = 360
II. If x + y = 48 an...
- If p = 40 - q - r and pq + r(p + q) = 400, then find the value of (p² + q² + r²).
A dishonest dealer claims to sell goods at cost price but uses a false weight of 900g instead of 1kg. What is his profit percentage?
- If n = 1 + √2, then find the value of (n + 1/n)².