Subject
Bank Exam
Topic
Southeast Bank Ltd. - Probationary Officer - 2020 (15-02-2020)
If one of the roots of the quadratic equation x2+ mx + 24 = 0 is 1.5, then what is the value of m ?
If one of the roots of the quadratic equation x2+ mx + 24 = 0 is 1.5, then what is the value of m ?
ক)
-22.5খ)
16গ)
-17.5ঘ)
10.5Explanation
প্রশ্নে বলা হচ্ছে, x 2 + mx + 24 = 0 সমীকরণের একটি মূলের মান 1.5 হলে m = ? দেয়া আছে, একটি মূল অর্থাৎ x = 1.5 এখন, x 2 + mx + 24 = 0 => (1.5) 2 = 1.5m +24 = 0 => 2.25 +1.5m + 24 = 0 => 1.5m = -26.25 ∴ m = -26.25/1.5 = - 17.5Related questions
A Children's gift store sells gift certificates in denominations of 5 . The store sold 'm' 5 certificates worth $93 on a Saturday afternoon. If 'm' and 'n' are natural member's how many different values can 'm' take ?The deadly 'Corona virus outbreak' in January 2020 was started in the Chinese city ofThe headquater of Apple, known as Apple Park, is locked inThe past participle of 'Spoil' isThe past participle of 'Shine' inThe capital of Ukraine isWhich one of the following pairs is similar in relationship of Hiss : Snake ?On 26 January 2020, the US basketball legend _ died in a helicopter crash in California, USA.