0000:00:00:00:00Start28Number 28ExplanationIf the roots of the equation x2−ax+b=0x^2 - ax + b = 0x2−ax+b=0 satisfy the equation 2x2−(a+3)x+(3b−2)=02x^2 - (a + 3)x + (3b - 2) = 02x2−(a+3)x+(3b−2)=0, then.... a=3a = 3a=3 b=2b = 2b=2 2a−2ab+3b=02a - 2ab + 3b = 02a−2ab+3b=0 ab=5ab = 5ab=5 ONLY (1),(2),(3)(1), (2), (3)(1),(2),(3) are correctONLY (1)(1)(1) and (3)(3)(3) are correctONLY (2)(2)(2) and (4)(4)(4) are correctONLY (4)(4)(4) is correctALL statements are correct
28Number 28ExplanationIf the roots of the equation x2−ax+b=0x^2 - ax + b = 0x2−ax+b=0 satisfy the equation 2x2−(a+3)x+(3b−2)=02x^2 - (a + 3)x + (3b - 2) = 02x2−(a+3)x+(3b−2)=0, then.... a=3a = 3a=3 b=2b = 2b=2 2a−2ab+3b=02a - 2ab + 3b = 02a−2ab+3b=0 ab=5ab = 5ab=5 ONLY (1),(2),(3)(1), (2), (3)(1),(2),(3) are correctONLY (1)(1)(1) and (3)(3)(3) are correctONLY (2)(2)(2) and (4)(4)(4) are correctONLY (4)(4)(4) is correctALL statements are correct
