Question
 If f(x) = 3x² − 7x + 5, find f(2a) −
4f(a).Solution
ATQ,
f(2a) = 3(4a²) − 14a + 5 = 12a² − 14a + 5 f(a) = 3a² − 7a + 5 f(2a) − 4f(a) = (12a² − 14a + 5) − (12a² − 28a + 20) = 14a − 15
63.89% of 549.68 – (739.87 ÷ 5.34) = ? × 11.89Â
What approximate value will come in place of the question mark (?) in the following question? (Note: You are not expected to calculate the exact value.)...
21% of 6600 + 453.987 =?
- What approximate value will come in place of the question mark (?) in the following question? (Note: You are not expected to calculate the exact value.)
(15.15 ×  34.98) + 24.15% of 749.99 = ? + 124.34
20.11% of 119.99 + √80.97 ÷ 3.02 = ?
(8.013 – 25.04) = ? + 11.98% of 2399.98
Find the approximate value of Question mark(?). No need to find the exact value.
(55.96 × 4.01) ÷ 7 + √(120.81) × 3 – 10% of 199.99 = ?<...
What approximate value will come in place of the question mark (?) in the following question? (Note: You are not expected to calculate the exact value.)...
((341.789)1/3 × (0.0049)1/2)× 429.798/6.88 =?
