🔢 Questions with Solutions 1. Question: If log(p+q)+log(p−2r+q)=2log(p−q), then find the relation among p,q,r. Solution: 2. Question: Solve log(x2−4x+5)=log(x−1). Solution: 3. Question: Solve ∣x−4∣(x2−6x+8)(x−3)=2. Solution: … Read more
Q.1 Which of the following are the roots of the quadratic equation x² – 9x + 20 = 0? (a) 3, 4 (b) 4, 5 (c) 5, … Read more
Q4 Find k so that the quadratic equation x2−(k+3)x+k=0 has equal and real roots. Solution: Step1 – For a quadratic ax2+bx+c=0 here a=1, b=−(k+3), c=k. Step 2 … Read more
Q3. If z1 and z2 are two non-zero complex numbers such that ∣z1+z2∣=∣z1∣+∣z2∣, then find arg(z1)−arg(z2). Step 1: For any complex numbers (or vectors), we … Read more
Q.1 Find two numbers such that each one is the square of the other. Step 1: Let the two numbers be x and y. According … Read more
Q. 1 Solve the given quadratic equation (x−1)3+8=0, given that cube roots of unity are 1,ω,ω2. Solution: Step 1: (x−1)3+8=0 (x−1)3=−8 Step 2: −8=8⋅(−1). … Read more