解析 51. 7x2−4x√3x2−3−7=0 (√3x2−3)2−2(√3x2−3)(2x)+(2x)2=4 (√3x2−3−2x)2=4 所以√3x2−3−2x=2或√3x2−3−2x=−2. 解之分别得x=−1、x=−7、x=1或x=7, 经验算后舍去x=−7....
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NAFind the sum of the squares of the intercepts of the line 4x-3y=12 on the axes of co-ordinate.
Sum of Squares | Formula & Examples from Chapter 11 / Lesson 3 55K Learn the concept of the sum of squares along with the formula and process to calculate the sum of squares. Learn how to find the sum of squares through an example. Related...
Solution:Let the required numbers be 'x'and 'y'.From the given condition,x+y=12or,y=12-X…(i)Again,from the given condition,x+y=80or,x+(12-x)=80or,x+144-24x+x2=80or,2x-24x+144-80=0or,2x-24×+64=0or,x-12×+32=0or,x-8x-4x+32=0or,x(x-8)-4(x-8)=0or,(x...
Find the square of a sum equivalent to the expression below: {eq}(a+b)^2 {/eq} Square of a Sum: We can evaluate the product of two factors being sums of two variables using various ways. Some of it is known as the FOIL method and the Parrot's Beak method. All of wh...
I did this for VcC 's challenge You enter a number and it finds the sum of least squares https://www.sololearn.com/Discuss/1050287/?ref=app https://code.sololearn.com/c6DuuGjp8imR/?ref=app 13th Apr 2018, 2:24 PM Louis 0 c/c++ int a = 2; int b = 3; int c = (a*a) + ...
METHOD 1 Strategy: Use the hint to search for perfect squares. The closest perfect square to 9991 is 10,000. Notice that 9991=10,000−9=1002−32=(100+3)×(100−3)=103×97. Both factors are primes. Their sum is:97+103=200. METHOD 2 Strategy: Guess and check based on estima...
The square of a difference may be written... Learn more about this topic: Sum of Squares | Formula & Examples from Chapter 11/ Lesson 3 55K Learn the concept of the sum of squares along with the formula and process to calculate the sum of squares. Learn how to fin...
In the figure below, the sum of the numbers in any three adjacent squares is . Find the value of . 下列方块中,任意三个相邻方块中的数字之和是,求的值.A: B: C: D: E: None of the above 以上都不是 相关知识点: 试题来源: 解析 B 略 ...