Question
Who is known for developing the first successful
incandescent light bulb?Solution
Thomas Edison is renowned for his invention of the first practical and commercially viable incandescent light bulb. Edison's innovation involved using a carbonized bamboo filament that could emit light for extended periods. This invention marked a significant advancement in lighting technology and had a profound impact on society by making indoor lighting more accessible and convenient.
I. x2 - 4x – 21 = 0
II. y2 + 12y + 20 = 0
The following question contains two equations as I and II.You have to solve both equations and determine the relationship between them.
I). a² -...
I. 6 y² + 11 y – 7= 0
II. 21 x² + 5 x – 6 = 0
Find the remainder when x⁵ − 3x⁴ + 4x³ − 6x² + 8x − 3 is divided by (x − 2).
I. y/16 = 4/y
II. x3 = (2 ÷ 50) × (2500 ÷ 50) × 42 × (192 ÷ 12)
I). p2 - 20p + 51 = 0,
II). 2q2 - 7q + 6 = 0
I.8(x+3)+ 8(-x)=72
II. 5(y+5)+ 5(-x)=150
(i) x² – 3x – 40 = 0
(ii) y² + 11y + 30 = 0
In the questions, two equations I and II are given. You have to solve both the equations to establish the correct relation between x and y and choose th...
I. 2x2 - 9 x + 9 = 0
II. 2y2 - 7 y + 3 = 0
