9For what values of k,does the quadratic equation in one variable x,x2-4x+k-5=0,satisfy the following?(1)It has two distinct real roots;(2)it has two equal real roots;and (3)it has no real roots.9 For what values of k, does the quadratic equation in one variable x,x- 4x+...
【题目】9 For what values of k, does the quadratic equation in one variable x, x^2-4x+k-5=0 ,satisfy the following?(1) It has two distinct real roots;(2) it has two equal real roots; and (3) it has no real roots. 相关知识点: 试题来源: ...
A distribution has a pdf: f(x) = 4x(1-x), 0 < x < 1, zero elsewhere. What is the expected value and variance of the sample mean of a random sample of size 6 from this distribution? Let x be a random variable with pdf...
Amyloid β1-42 (Aβ1-42) plays a central role in Alzheimer’s disease. The link between structure, assembly and neuronal toxicity of this peptide is of major current interest but still poorly defined. Here, we explored this relationship by rationally des
Inactivation of bbln-1 by RNAi also did not affect the basolateral localization of LET-413 or the apical localization of PAR-6 (Figures S5K and S5L). Thus, loss of BBLN-1 does not disrupt the terminal web or microvillar actin, and the effects of bbln-1 on the IF network are not ...
The default value for CAC will be PCR and will work exactly as it does today in the current firmware. Therefore, existing customers who are currently using CAC based on PCR will not have to execute the new CLI command. A new CLI command has been introduced as part of this feature: •...
Forwhat value of x are the value of y and the value of x2 - 19 opposite to each other? 答案 When thevalue of y is equal to the value of 4x+1, 2x^2+7x-1=4x+1, that is, 2x^2+3x-2=0 , and theslui Onsarex_1=-2 , x_2=1/2 . When e vau ofy is opposite to t...
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What are all values of x for which ∫x2t3dt is equal to 0? (A) 2 only (B) -2 and 2 (C) -2 only (D) 0 only Definite Integral: An integral is the anti-derivative of a function. There are two types of integral based on limit: Inde...