Chapter: Algebra
Explanation:
Since x < 0 and y > 0
(a) ∴ (0, 0) not lies in the common region
(b) −2 + 4 = 2, So, (−2, 4) not lies in the common region
(c) −1 + 4 > 2, So, (−1, 4) not lies in the common region
(d) −1 + 2 < 2, and 5(−1) − 4(2) = −13 < 0
So, (−1, 2) lies in the common region
Let AX = B be a system of 3 linear equations with 3 unknowns. Let X₁ and X₂ be its two distinct solutions. If the combination aX₁ + bX₂ is a solution of AX = B, where a and b are real numbers, then which of the following is correct?
The central angles p, q, r and s (in degrees) offour sectors in a Pie Chart satisfy the relation9p = 3q = 2r = 6s. What is the value of 4p – q ?
A natural number n is chosen from the first 50 natural numbers. What is the probability that
If k < ( 2+√1)3< 2+k, where k is a natural number, then what is the value of k?
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