= \frac{(7 + 3\sqrt{5})^2}{49 - 45} = \frac{49 + 45 + 42\sqrt{5}}{4} = \frac{94 + 42\sqrt{5}}{4} = \mathbf{\frac{47 + 21\sqrt{5}}{2}}
Question
Maths
May 9, 2026, 4:40 p.m.
What is the perimeter of rectangle whose length and breadth is 3.8 cm and 23 cm with example
Answer
Maths
May 6, 2026, 9:07 p.m.
Answer
If M and N are the square matrices of order 3 or determinant (M) = m. Such that MN=mI, find determinant (N).