35. let f be a function of two variables that has continuous partial derivatives and consider the points as1, 3d, bs3, 3d, cs1, 7d, and ds6, 15d. the directional derivative of f at a in the direction of the vector abl is 3 and the directional derivative at a in the direction of acl is 26. find the directional derivative of f at a in the direction of the vector ad l. stewart, james. calculus: early transcendentals (p. 958). brooks cole. kindle edition.

yes yes yes yes yes yes yes yes yes

percentage - 25%

probability - 0.25

we know,

total amount of students in class = 20

total boys = 10

total girls = 10

no of girls who wear glasses = 10/2 = 5

probability of choosing a girl with glasses is =

number of girls wearing glasses/total number of students in the class = 5/20

thus, percentage of selecting a girl wearing glasses will be

= 5/20 × 100

= 5 × 5

25%

therefore,

probability will be 0.25

happy to

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b) 1/3 * 1/5

step-by-step explanation:

each smallest part is 1/15 since the written one is 1/5 and it's divided by 3 equal parts. (1/5 )/3 = 1/15 = 1/3 * 1/5