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How do you calculate the value of AB?
Angle of elevation and depression are always acute angles. If the observer moves towards the perpendicular line(Tower/ building) then angle of elevation increases and if the observer move away from the perpendicular line(Tower/ building) angle of elevation decreases. Hence, the value of AB is 1000(√3 – 1) m.
What is the value of 6ab squared if a is 4 and b is 7?
Divide 196 by (a). i.e. divide by 4, the answer is 49. 49 is 7 squared. So 1176= 6 X 4 X (7 squared), or 6 X 4 X 7^2.
What is the value of A² B²?
The value of a2+b2 is equal to 4 + 4 = 8. So, a2+b2 = 8.
What is a AB 2?
The (a – b)2 formula is used to find the square of a binomial. This (a – b)2 formula is one of the algebraic identities. This formula is also known as the formula for the square of the difference of two terms.
How do u simplify algebra?
To simplify any algebraic expression, the following are the basic rules and steps:
- Remove any grouping symbol such as brackets and parentheses by multiplying factors.
- Use the exponent rule to remove grouping if the terms are containing exponents.
- Combine the like terms by addition or subtraction.
- Combine the constants.
What does evaluate mean in maths?
to judge or determine the significance, worth, or quality of; assess: to evaluate the results of an experiment. Mathematics. to determine or calculate the numerical value of (a formula, function, relation, etc.).
What is a2 b2 AB?
The product of the sum and difference of the same two terms equals the difference. between the squares of those terms. Also shown as: The difference of Two Squares: a2 – b2 = (a+b) (a-b)
What is formula for a 2 B 2?
The a2 – b2 formula is also known as “the difference of squares formula”. The a square minus b square is used to find the difference between the two squares without actually calculating the squares. It is one of the algebraic identities.
How do you find AB 2?
The (a + b)2 formula is the algebraic identity used to find the square of the sum of two numbers. To find the formula of the binomial in the form (a + b)2, we will just multiply (a + b) (a + b).
What is the value of a + b = 1?
First of all, a + b = 1. Squaring both sides results in a 2 + b 2 + 2 a b = 1. Subtract this and the 2nd equation, you get that 2 a b = − 1 and a b = − 0.5. Taking a 2 + b 2 = 2 and squaring this gives a 4 + b 4 + 2 a 2 ∗ b 2 = 4.
What is the formula to find the value of a2 – b2?
a 2 − b 2 = (a − b) (a + b) (x + a) (x + b) = x 2 + (a + b) x + ab. (a + b + c) 2 = a 2 + b 2 + c 2 + 2ab + 2bc + 2ca.
What is the value of AB in this equation?
The value of ab is 1. We can expand (a −b)2 to see that (a −b)2 = a2 − 2ab +b2, thus a2 +b2 − 2ab = 2. It follows that a2 +b2 = 2 +2ab, and since we’re given that a2 +b2 = 4, we can say 4 = 2 + 2ab.